Flagship explainer

How ALLIANT ENERGY CORP makes its money

Start with a dollar of revenue and follow what the filing says remains.

revenueBranching filed flows with values and percentages directly labeled. Missing filing concepts are omitted rather than estimated.Revenue$4.4B · 100%Cost of revenue$625M · 14%Gross profit$3.7B · 86%Operating income$1.0B · 23%Income before tax$661M · 15%Income tax−$149M · −3%Net income$810M · 19%As of 2025-12-31 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com

Honest partial: the filing did not provide a normalized tag for Research and development, Selling, general and administrative; those components are omitted, not plugged.

Table alternative
Filed lineValue% of revenueSource
$4.4B100%
Cost of revenue$625M14%
$3.7B86%
$1.0B23%
Income before tax$661M15%
Income tax−$149M−3%
$810M19%
Source: · event Dec 31, 2025 · retrieved Oct 16, 2026 · annual-row source set
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